题目内容
9、We must do everything we can _________ waste water from running into rivers．
A． keep B． kept C． to keep D． keeping
试题答案
9、C
相关题目
We must do everything we can _________ waste water from running into rivers．
A． keep B． kept C． to keep D． keeping
查看习题详情和答案>>We must do everything we can ________ waste water from running into rivers．
- A.keep
- B.kept
- C.to keep
- D.keeping
We must do everything we can ________ waste water from running into rivers．
[ ]
A．
keep
B．
kept
C．
to keep
D．
keeping
We must do everything we can ________ waste water from running into rivers．
[ ]
A．keep
B．kept
C．to keep
D．keeping
We must do everything we can ________ waste water from running into rivers．
[ ]
A．to keep
B．kept
C．keep
D．keeping